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| LTC3827 Datasheet, PDF (34/36 Pages) Linear Technology – Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | |||
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LTC3827
TYPICAL APPLICATION
High Efï¬ciency Dual 1.2V/1V Step-Down Converter
CSS1
0.01μF
CITH1A
220pF
CITH1
2.2nF
RITH1
7k
RA1
402k
47pF
RB1
100k
C1
1nF
RA2
402k
CITH2
2.2nF
RITH2
10k
CITH2A
100pF
CSS2
0.01μF
C2
1nF
RB2
200k
LTC3827
ITH1
TRACK/SS1
PGOOD2
VFB1
PGOOD1
SENSE1+
TG1
SENSE1â
SW1
PLLLPF
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
BOOST1
BG1
VIN
PGND
EXTVCC
SENSE2â
INTVCC
SENSE2+
BG2
VFB2
BOOST2
ITH2
SW2
TRACK/SS2
TG2
FOLDDIS
100k
100k
CB1 0.47μF
D1
CINT2
1μF
D2 CB2
0.47μF
MTOP1 L1
2.2μH
RSNS1
15mΩ
MBOT1
COUT1
150μF
CINT1
4.7μF
CIN1
10μF
CIN2
10μF
VOUT1
1.0V
5A
VIN
12V
MTOP2 L2
2.2μH
RSNS2
15mΩ
MBOT2
COUT2
150μF
VOUT2
1.2V
5A
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-2R2M
L2: CDEP105-2R2M
COUT1, COUT2 : SANYO 10TPD150M
3827 TA05
3827ff
34
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